Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Howard -
The two RCA jacks on the TR-4 are MUTE (closest to the side) and ANT.
They should be patched to the like-labeled jacks on the R-4A.
The slide switch on the left rear side of the TR-4 is pushed towards the
rear of the chassis to use the external receiver, and forward to use the
internal receiver of the TR-4.
As for the mod on the R-4A, no telling...... The slide switch and
nearby crystal socket were to be used to crystal control the receiver,
with the switch selecting between PTO and crystal control. Based on
where they are on the chassis, I'd guess a tap for an external counter,
but they could be anything. You'd have to trace the internal cable to
see where it goes!
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B & C-Line Service Supplement CDs
<www.k4oah.com>
Howard Traxler wrote:
"Howard Traxler" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Hi all,
Would like to use my newly acquired R-4A as the receiver in the TR-4
station. What connections are to be made between? There are two RCA jacks
on the rear panel of the chasis of the TR-4 just west of the power plug.
There seems to be a mod of the R-4A: Where there once was a slide switch
(left side, below the middle lower case screw), there are now what seem to
be two 1/8" jacks.
Could anyone tell me about the mod and the connections I need to make?
Thanks lots.
73 de Howard, WA9RYF
Howard K. Traxler, Technology Specialist
www.TraxlerEnterprises.com
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